/**
* Copyright (C) 2013-2024 Nanjing Pengyun Network Technology Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/ 

package py.datanode.page.context;

import py.archive.page.PageAddress;
import py.datanode.page.Page;

public abstract class ComparablePageContext<T extends Page> extends AbstractPageContext<T>
    implements Comparable<ComparablePageContext<T>> {
  @Override
  public int compareTo(ComparablePageContext<T> o) {
    if (o instanceof ComparablePageContext) {
      PageAddress in = getPageAddressForIo();
      PageAddress out = o.getPageAddressForIo();
      return Long.compare(in.getPhysicalOffsetInArchive(), out.getPhysicalOffsetInArchive());
    } else {
      throw new IllegalArgumentException("my={}" + this + ", out=" + 0);
    }
  }
}
